.50x+.15(80)=.40(x+80)

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Solution for .50x+.15(80)=.40(x+80) equation:


Simplifying
0.50x + 0.15(80) = 0.40(x + 80)

Multiply 0.15 * 80
0.50x + 12 = 0.40(x + 80)

Reorder the terms:
12 + 0.50x = 0.40(x + 80)

Reorder the terms:
12 + 0.50x = 0.40(80 + x)
12 + 0.50x = (80 * 0.40 + x * 0.40)
12 + 0.50x = (32 + 0.40x)

Solving
12 + 0.50x = 32 + 0.40x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-0.40x' to each side of the equation.
12 + 0.50x + -0.40x = 32 + 0.40x + -0.40x

Combine like terms: 0.50x + -0.40x = 0.1x
12 + 0.1x = 32 + 0.40x + -0.40x

Combine like terms: 0.40x + -0.40x = 0.00
12 + 0.1x = 32 + 0.00
12 + 0.1x = 32

Add '-12' to each side of the equation.
12 + -12 + 0.1x = 32 + -12

Combine like terms: 12 + -12 = 0
0 + 0.1x = 32 + -12
0.1x = 32 + -12

Combine like terms: 32 + -12 = 20
0.1x = 20

Divide each side by '0.1'.
x = 200

Simplifying
x = 200

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